EP0398560B1 - Insulation displacement connector - Google Patents

Insulation displacement connector Download PDF

Info

Publication number
EP0398560B1
EP0398560B1 EP90304868A EP90304868A EP0398560B1 EP 0398560 B1 EP0398560 B1 EP 0398560B1 EP 90304868 A EP90304868 A EP 90304868A EP 90304868 A EP90304868 A EP 90304868A EP 0398560 B1 EP0398560 B1 EP 0398560B1
Authority
EP
European Patent Office
Prior art keywords
electrical
housing
projections
grooves
wire retention
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90304868A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0398560A2 (en
EP0398560A3 (en
Inventor
Yoichi Kashiwa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Whitaker LLC
Original Assignee
Whitaker LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Whitaker LLC filed Critical Whitaker LLC
Publication of EP0398560A2 publication Critical patent/EP0398560A2/en
Publication of EP0398560A3 publication Critical patent/EP0398560A3/en
Application granted granted Critical
Publication of EP0398560B1 publication Critical patent/EP0398560B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/20—End pieces terminating in a needle point or analogous contact for penetrating insulation or cable strands
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/771—Details
    • H01R12/772—Strain relieving means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/942—Comblike retainer for conductor

Definitions

  • the invention relates to electrical connectors and more particularly to wire retaining means on such connectors.
  • Connectors have widely been used for conveniently connecting and disconnecting a large number of signal lines.
  • insulation displacement connectors are known for making electrical connection between the conductor of an insulated electrical wire and a contact by simply forcing the insulated electrical wire into such contact, to break the insulation, thereby eliminating the need for stripping the insulation at the end of the insulated electrical wire in order to solder or crimp the conductor to the contact.
  • Illustrated in Figure 4 is an exploded perspective view of one example of one such conventional insulation displacement connector 100.
  • a large number of contacts 10 are inserted in a large number of grooves 21 provided in a housing 20 at a predetermined pitch.
  • the grooves 21 are also provided in the lower side of the housing 20 to receive contacts 10 from below.
  • the contacts 10 are provided with mating sections 11 at their front portions for making electrical contact with contacts of another matable connector (not shown) and insulation displacement connection (IDC) sections 12 at their rear portions for receiving sections 1a of the insulated electrical wires 1 (see Figure 1) for electrically engaging conductors 2 of the insulated electrical wires 1.
  • IDC insulation displacement connection
  • the housing 20 including the insulated electrical wires 1 connected to the contacts 10 in the manner described above is coupled to another housing 30.
  • the assembly is then sandwiched between upper and lower covers 40 (only lower cover is shown in Figure 4) before being covered with a metal cover 50 from the front end to complete the insulation displacement connector 100.
  • FIG 5 Illustrated in Figure 5 is a front view of the electrical wire retention grooves 22 of housing 20 for the insulation displacement connector 100 of Figure 4 as seen from the ends of electrical wires 1.
  • each electrical wire retention groove 22 there are formed projections 23 in each electrical wire retention groove 22 adjacent to its entrance in such a manner as to limit the width of the entrance smaller than the diameter of the electrical wire 1.
  • the electrical wires 1 are forced into the respective grooves 22 through the narrower entrance and are retained in the grooves 22 by downwardly facing shoulders 23a of projections 23.
  • Illustrated in Figure 6 is a simplified view of electrical wire 1 just before being inserted into the IDC section 12 of the contact and in the wire retention groove 22 in housing 20.
  • the electrical wire 1 is placed over the IDC section 12 and the wire retention groove 22 and is then inserted into the IDC section 12 and the electrical wire retention groove 22 by tool 60.
  • the insertion tool 60 has grooves 61, 62 at positions corresponding to the IDC section 12 and the electrical wire retention groove 22 so that the electrical wire 1 is pushed down at both sides of both the IDC section 12 and the electrical wire retention groove 22.
  • the electrical wires 1 are inserted and held in the electrical wire retention grooves 22.
  • the grooves 22 are forced to widen their entrances by the electrical wires 1 hitting the projections (see Figure 5) when the electrical wires 1 are being inserted in the electrical wire retention groove 22 by the insertion tool 60. This tends to deform the housing 20 downwardly at and near its center portion of the back end portion (lower right portion in Figure 4) as shown by an arrow A.
  • the electrical wire retention grooves 22 may cause misalignment between the pitch of the electrical wires 1 and the IDC sections 12 of the contacts 10 disposed in the housing 20. This may result in the electrical wires 1 riding over the blades 12b of the IDC sections 12 of the contacts 10 (see Figure 4) and cutting the conductors 2 by blades 12b when the electrical wires 1 are pushed down.
  • FIG. 7 Illustrated in Figure 7 is a cross section view of another conventional electrical wire retention grooves 22′.
  • projections 24 extending downwardly at a certain slope as illustrated in Figure 7 rather than the simple projections 23 in Figure 5 may be effective to solve the above problem because the deformation of such projections 24 during insertion of the electrical wires in the grooves 22′ absorbs the force which would otherwise widen grooves 22′.
  • the present invention consists in an electrical connector as defined in claim 1.
  • a connector according to the preamble of claim is disclosed in DE-U-8617650.
  • US-A-4 653 831 discloses an electrical connector having a plurality of wire retention grooves, facing side walls of which have inwardly extending projections spaced longitudinally apart from each other.
  • FIG 1 Illustrated in Figure 1 is a perspective view of a part of housing 20′ as well as electrical wires 1 and contacts 10 of one embodiment of the insulation displacement connector 100′.
  • the housing 20′ is equivalent to the housing 20 in Figure 4 and therefore no detailed description is required.
  • the electrical wires 1 are forced into the IDC sections 12 of the contacts 10 disposed in the grooves 21′ and also in the electrical wire retention grooves 70.
  • Figure 2 is a front view of the electrical wire retention grooves 70 illustrated in Figure 1.
  • each retaining groove 70 there are provided a pair of projections 72a, 72b on both sidewalls 74 of each retaining groove 70 at different depth positions.
  • the electrical wires 1 tend to widen the electrical wire retention grooves 70 upon hitting the projections 72a, 72b.
  • the projections 72a, 72b being shifted in the direction of insertion, thereby minimizes the force which would otherwise widen the grooves 70 and thus effectively avoid the aforementioned problems associated with the deformation of the conventional housing grooves 22.
  • the electrical wire retention grooves 70 are simple in shape as compared with the electrical wire retention grooves 22′ in Figure 7 and are simpler to manufacture.
  • FIGS 3A and 3B are plan and front views of electrical wire retention grooves 80 in accordance with another embodiment of connector 100′.
  • the projections 82a,82b provided on both sidewalls 84 of the electrical wire retention grooves 80 are not only shifted in the depth direction but also in the length direction (vertical direction in Figure 3A) of the electrical wire retention grooves 80. In this particular configuration, the force to widen the electrical wire retention grooves 80 during insertion of the electrical wire 1 therein is further distributed to suppress deformation of the housing.
  • the insulation displacement connector according to the present device features the provision of the projections on the both sidewalls of each electrical wire retention groove at different depth positions therealong.
  • the force to widen each electrical wire retention groove during insertion of the electrical wires into the electrical wire retention grooves is effectively distributed to minimize deformation of the housing.
  • the wire retention grooves are simple and suitable for miniature connectors.

Landscapes

  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP90304868A 1989-05-19 1990-05-04 Insulation displacement connector Expired - Lifetime EP0398560B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57773/89 1989-05-19
JP1989057773U JPH0740300Y2 (ja) 1989-05-19 1989-05-19 圧接コネクタ

Publications (3)

Publication Number Publication Date
EP0398560A2 EP0398560A2 (en) 1990-11-22
EP0398560A3 EP0398560A3 (en) 1992-01-02
EP0398560B1 true EP0398560B1 (en) 1995-08-30

Family

ID=13065189

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90304868A Expired - Lifetime EP0398560B1 (en) 1989-05-19 1990-05-04 Insulation displacement connector

Country Status (9)

Country Link
US (1) US5120235A (es)
EP (1) EP0398560B1 (es)
JP (1) JPH0740300Y2 (es)
KR (1) KR950007209Y1 (es)
CN (1) CN1024972C (es)
BR (1) BR9002344A (es)
DE (1) DE69021929T2 (es)
ES (1) ES2076315T3 (es)
MY (1) MY105628A (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7942693B2 (en) 2007-05-04 2011-05-17 Adc Gmbh Power outlet with conductive socket contacts coupled to IDC contacts coupled to insulated conductors disposed in channels

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69330866T2 (de) * 1992-12-26 2002-05-02 Sumitomo Wiring Systems, Ltd. Schneidklemmverbinder
US5547391A (en) * 1993-03-11 1996-08-20 Molex Incorporated Commoning electrical connector
FR2703520B1 (fr) * 1993-04-02 1997-04-30 Francelco Sa Module connecteur électrique et procédé de montage d'un tel module.
US5358424A (en) * 1993-08-11 1994-10-25 Molex Incorporated Electrical connector for high density ribbon cable
CH687841A5 (de) * 1994-03-10 1997-02-28 Reichle & De Massari Fa Mehrfach-Kontaktstifthalter fuer Schwachstrom-Anlagen.
FR2723474B1 (fr) * 1994-08-04 1997-01-03 Entrelec Sa Connexion auto-denudante a action rapide
TW277168B (es) * 1994-08-12 1996-06-01 Whitaker Corp
JPH08180909A (ja) * 1994-12-26 1996-07-12 Sumitomo Wiring Syst Ltd 圧接コネクタ
FR2734412B1 (fr) * 1995-05-16 1997-07-04 Connectors Pontarlier Dispositif a contacts electriques a deplacement d'isolant
US5616048A (en) * 1995-06-26 1997-04-01 The Whitaker Corporation Electrical connector with electrical contact and strain relief
US5691508A (en) * 1995-07-25 1997-11-25 The Whitaker Corporation Enclosure for spliced multiconductor cable
US5606150A (en) * 1995-07-25 1997-02-25 The Whitaker Corporation Enclosure for spliced cable
ES1036293Y (es) * 1997-02-01 1997-12-16 Mecanismos Aux Ind Conector perfeccionado de insercion lateral.
EP0959529B1 (de) * 1998-05-22 2005-07-06 Phoenix Contact GmbH & Co. KG Elektrische Anschlussbaueinheit
JP2001023722A (ja) 1999-07-08 2001-01-26 Sumitomo Wiring Syst Ltd ジョイトコネクタ
JP2002158047A (ja) * 2000-11-17 2002-05-31 Yazaki Corp プレート状絶縁体
AUPR591901A0 (en) * 2001-06-26 2001-07-19 Krone Gmbh Electrical connector with power socket
JP4143014B2 (ja) * 2003-09-30 2008-09-03 日本圧着端子製造株式会社 電気コネクタ
TWM305467U (en) * 2006-08-25 2007-01-21 Joinsoon Electronic Mfg Co Ltd Core positioning structure of wire cable
CN201204261Y (zh) * 2008-04-01 2009-03-04 王风良 一种夹刺式电子连接器
JP5212499B2 (ja) * 2010-09-08 2013-06-19 第一精工株式会社 電気コネクタ及びその製造方法
JP6319636B2 (ja) * 2015-01-29 2018-05-09 株式会社オートネットワーク技術研究所 通信用コネクタ
JP6137737B2 (ja) * 2015-09-11 2017-05-31 株式会社安川電機 電気機器筐体及び電力変換装置
EP3654453B1 (en) 2018-11-19 2023-08-09 TE Connectivity Nederland B.V. Insulation displacement contact and insulation displacement contact assembly for high performance electrical connections
EP4123843A1 (en) * 2021-07-23 2023-01-25 TE Connectivity Italia Distribution S.r.l. Insulation displacement connector with modular structure for fast idc connection

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778750A (en) * 1972-02-10 1973-12-11 Panduit Corp Wire termination and splicing system
US4191442A (en) * 1978-05-25 1980-03-04 Panduit Corp. Electrical connector and method of fabricating a wire harness using the connector
DE8208576U1 (de) * 1982-03-25 1982-09-09 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zum Anschluß von draht- oder litzenförmigen elektrischen Leitern an Kontaktorgane
JPS59201313A (ja) * 1983-04-21 1984-11-14 モレツクス・インコ−ポレ−テツド ノツチなし電気リボンケ−ブル
US4653831A (en) * 1986-02-07 1987-03-31 Molex Incorporated Connector housing
DE8617650U1 (de) * 1986-07-02 1989-04-13 Minnesota Mining And Mfg. Co., Saint Paul, Minn. Haltevorrichtung für Anschlußdrähte an einem elektrischen Verbinder
DE3622164A1 (de) * 1986-07-02 1988-01-14 Minnesota Mining & Mfg Haltevorrichtung fuer anschlussdraehte an einem elektrischen verbinder
JPH0524131Y2 (es) * 1986-11-07 1993-06-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7942693B2 (en) 2007-05-04 2011-05-17 Adc Gmbh Power outlet with conductive socket contacts coupled to IDC contacts coupled to insulated conductors disposed in channels

Also Published As

Publication number Publication date
DE69021929T2 (de) 1996-04-25
JPH0740300Y2 (ja) 1995-09-13
MY105628A (en) 1994-11-30
EP0398560A2 (en) 1990-11-22
DE69021929D1 (de) 1995-10-05
CN1024972C (zh) 1994-06-08
US5120235A (en) 1992-06-09
KR900021175U (ko) 1990-12-14
EP0398560A3 (en) 1992-01-02
ES2076315T3 (es) 1995-11-01
JPH02148565U (es) 1990-12-18
BR9002344A (pt) 1991-08-06
KR950007209Y1 (ko) 1995-09-02
CN1047590A (zh) 1990-12-05

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